52534143121 has 8 divisors (see below), whose sum is σ = 56536263144. Its totient is φ = 48633342720.

The previous prime is 52534143113. The next prime is 52534143161. The reversal of 52534143121 is 12134143525.

It can be written as a sum of positive squares in 4 ways, for example, as 7820926096 + 44713217025 = 88436^2 + 211455^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52534143121 - 2³ = 52534143113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52534143161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25328830 + ... + 25330903.

It is an arithmetic number, because the mean of its divisors is an integer number (7067032893).

Almost surely, 2^52534143121 is an apocalyptic number.

It is an amenable number.

52534143121 is a deficient number, since it is larger than the sum of its proper divisors (4002120023).

52534143121 is a wasteful number, since it uses less digits than its factorization.

52534143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50659811.

The product of its digits is 14400, while the sum is 31.

Adding to 52534143121 its reverse (12134143525), we get a palindrome (64668286646).

The spelling of 52534143121 in words is "fifty-two billion, five hundred thirty-four million, one hundred forty-three thousand, one hundred twenty-one".